About us
Where innovation meets mobility
At Mobile Experts, we specialize in digital transformation and innovative marketing solutions. Our mission is to empower every entrepreneur with the right tools to easily connect and grow in the digital world. Revolutionize your business with expert solutions in project management and marketing!
1. Boost your online presence
2. Master marketing skills with cutting-edge tools
3. Automate your marketing
4. Connect and grow your business
5. Learn from industry leaders
4 Values
Our core values – integrity, collaboration, innovation, and accountability – shape our approach to every project and every client relationship.
50 Projects
We have successfully completed over 50 projects, each tailored to the individual needs of our clients and showcasing our expertise in digital consulting.
500 Clients
Our commitment to integrity and collaboration has enabled us to build lasting relationships with our clients and support their success in the digital landscape.
Since 2013
Since our founding, we have collaborated with numerous companies, guiding them through the complexities of digital transformation.
Denis Kliefken (CEO)
My name is Denis Kliefken, CEO of Mobile Experts GmbH. I have successfully built numerous strategic partnerships and developed sustainable business models within partner networks, enabling companies to remain competitive in the dynamic mobile communications market. With extensive experience in founding and supporting startups, I understand the challenges well and know that sometimes it’s more important not to stumble along the way than to plan everything perfectly. Over the years, I have gained deep insights into the opportunities the mobile industry offers and have launched numerous innovative products. My goal is to continue developing sustainable business models that help our clients stay steady in this fast-paced market.
Product management and entrepreneurship are my playgrounds – sometimes more like an adventure park than an office! When it comes to communication, I strive to keep everything clear and simple, so that even our parents’ generation can keep up. I also enjoy motivating teams and working together to achieve ambitious goals. So, that’s my story – now, let’s dive into the exciting projects ahead…
Our Experts

Rami Kalfouni
Wed Developer

Juana Kliefken
Designer

Sergei Brehm
Managing Director of Campaign+

Kassio Tavares
Multimedia Designer
(en/PT)





